Write a c program to input sides of a triangle and check whether a triangle is equilateral, scalene or isosceles triangle using if else. Detailed view of internet application architecture. Introduction to software testing chapter 4 input space. The output of the program is the type of triangle determined by the three sides. To generate equivalence class test casesfor the triangle problem the triangle program takes three integers, a, b and c as input. The proof that the resulting figure is an equilateral triangle is the first proposition in book i of euclids elements. In case of sides, they are called as equilateral triangle, isosceles triangle, right angled and scalene triangle in case of angles. White box testing involves executing a program and seeing which parts of it are. Analyzing the triangle problem no book on software testing is complete without a discussion of the triangle problem. Software testing and quality assurance assignment 3 1. His name pops up at least once in the tester training material, but he is more known for authoring the art of software testing. Software testing can be done manually or automatically. There is a program that reads three integer values as three sides of a triangle. If just two of a triangles sides are congruent, then it is called an isosceles triangle.
The results show how software testing using genetic algorithms becom es ef ficient even with increasing number of test cases. How to check whether a triangle can be formed or not if sides of triangle is given using if else in c programming. Dtt39 guidelines and observations 2 decision table testing is most appropriate for programs where there is a lot of decision making there is a. We can form 4 triangles from a single square or rectangle. This was devised by glenford myers whose name should be vaguely familiar to the testers. The values of these inputs are given between 0 and 100. An equilateral triangle can be constructed by taking the two centers of the circles and either of the points of intersection. Sdlc is the acronym for software development life cycle. Even though equilateral triangle is also isoceles, only print equilateral. Boundary value analysis triangle problem geeksforgeeks.
Equilateral triangle or 60 degree angle construction. Pdf the proposal of a novel software testing framework. How can i prove the triangle is equilateral if the two circles have same diameter. Your goal is to be completely unconcerned about the internal behavior and structure of the program. Equi refers to things that are the same or equal, and lateral means sided. The structure is defined in terms of characteristics. In first step you apply formula which connects area a and side a and in. If lengths dont make a triangle, output not a triangle. The implementation is known and structure of the program is used to design test cases. Predicate testing university of texas at arlington. Software testing is normally used to check the validity of a program. Write a complete set of black box test cases for testing of the program which solves the problem above. The program prints a message that states whether the triangle is right angle triangle or equilateral triangle.
The triangle problem the triangle program accepts 3 integers. Assumptions preconditions for your program three lengths are entered separated by blanks or returns. Taking on testing triangles a classic excercise software. Derive test cases for your program based on decisiontable approach, execute the test cases and discuss the results. Create an equilateral triangle using three toothpicks. It attempts to expose software defects by exercising a unique combination of.
Write a c program to input side of a triangle and check whether triangle is valid or not using if else. C program to check whether triangle is equilateral, scalene or. The triangle problem as a starting point fitnesse series. It is a framework that defines tasks performed at each step in the software development process and aims to produce quality software that meets or exceeds customer expectations within a specific time frame and allotted cost. An exercise in program testing an exercise in program testing. In case of sides, they are called as equilateral triangle, isosceles. Test case x y z expected output 1 100 100 100 equilateral triangle 2. Properties of equilateral triangles brilliant math. By using ansys software parameter of design language apdl the parametric design macro program of two types of equilateral triangle cylindrical lattice shell are given with the given parameters of the span s, the length l, the rise f, the number of lattice in the span direction the model of equilateral triangle cylindrical lattice shell would be obtain easily. Analysis of statement branch and loop coverage in software. Boundary value analysis bva is a black box software testing technique where test cases are designed using boundary values. Software module testing unit testing the genius blog. It is also called the program of creating a pyramid pattern from star shape.
Using these inputs, three outputs are produced, namely, isosceles triangle, equilateral triangle or no triangle is made if values of x, y, z are less than. The idea is to use the fact that interior angles of an equilateral triangle is 60 o. The structure is defined in terms of characteristics each characteristic is partitioned into sets of blocks each block represents a set of values this is the most creative design step in using isp introduction to software testing ch 4 step 4. Learn how to how to construct an equilateral triangle using just a compass and a straightedge. C program to check whether triangle is equilateral. A square rug border consists of a continuous pattern of equilateral triangles, with isosceles triangles as corners, one of which is shown above. This set of puzzles always helps me with some brain food which mandatory to stay tuned in the current trends. It returns the type of triangle scalene, isosceles, equilateral, not a triangle.
Glenford in this book is the testing selfassessment challenge in the introduction. Hence while designing the test cases for bva we keep all but one variable to the nominal value and. Every triangle can be formed after joining 3 lines at its endpoints with a certain angle. Testing the future thats just funtestic the cheesiest testing ever the friday challenge the imperial strikes back the impossible mission the magnificient testers ride again the rocket the usability challenge to err is human triage visually thinking software through with models weinbergmyers triangle problem when a bug isnt fixed working. The program will determine if this triangle is equilateral, isoceles, or scalene and output its result. Logic to classify triangles as equilateral, scalene or isosceles triangle if sides are given in c program. This tool will make equilateral triangles in the following sizes. Boundary value analysis bva is a black box software testing technique where. Question bank for stqa software testing and quality. Write a set of test cases that you believe will adequately test the program. To calculate the area of the triangle, multiply the base one side of the equilateral triangle and the height the perpendicular bisector and divide by two. Triclass program program to identified a triangle is used as test program. In both methods a byproduct is the formation of vesica piscis. Nested mini equilateral triangle instructions the nested mini equilateral triangle is a multiple sized tool.
No book on software testing is complete without a discussion of the triangle. The ineffective testing of the triangle software arises from incomplete analysis, unrecognized assumptions and vague requirements. Boolean variables nonboolean variables that are compared with the relational operators, structure is created by logical. In random testing methods, since data points do not have a. The sw can, then, categorize the triangle in one of these categories. Bva is based on the single fault assumption, also known as critical fault assumption which states that failures are rarely the product of two or more simultaneous faults. Test case x y z expected output 1 1 1 1 equilateral 2 1 1 2 not a triangle 3 1 1 50 not a triangle 4 1 1 99 not a triangle 5 1 1 100 not a triangle 6 1 2 1 not a triangle 7 1 2 2 isosceles 8 9 1 1 2 2 50 99 not a triangle not a triangle 10 1 2 100 not a triangle 11 1 50 1 not a. The output of this method will be one of 5 possible values. I was going through this testing triangles post from elisabeth hendrickson from quality tree software.
The radius of a circumcircle of an equilateral triangle is equal to a v3, where a is the length of the side of equilateral triangle. The diagram at the right shows when to use each of these formulas. Given the two initial points, and the fact that the height of an equilateral triangle with edge length a is asqrt32, you can compute. How to construct an equilateral triangle using just a compass and a straightedge. In order to construct a triangle, the sum of any two edges must be greater than the third one. Software testing principles continuing with the major premise of. The sum of 3 angles in a triangle must be 180 degrees. Software testing is a process of executing a program or application with the intent of finding the software bugs. Suppose a triangle is drawn with inputs x, y, and z. How to check whether a triangle is equilateral, scalene or isosceles triangle in c programming. Question bank for stqa software testing and quality assurance. Consider a program that accepts any three positive numbers as input and then displays whether the triangle whose three sides are equal to these three numbers is equilateral, isosceles, or scalene.
The three integers are interpreted as representing the lengths of the three sides of a triangle. Test case for a valid scalene triangle test case for a valid equilateral triangle three test cases for valid isosceles triangles ab, bc, ac one, two or three sides has zero value 5 cases one side has a negative sum of two numbers equals the third e. Test approaches to software module testing software module testing could be carried out in one of two ways. Apply a test criterion to choose combinations of values. Consider a program that accepts any three positive numbers as input and then displays whether the triangle whose three sides are equal to these. Css triangle generator how does triangle generator work. Since the sum of a triangle s angles is always 180 degrees, each angle in an equilateral triangle must. Another useful criterion is that the three angles of an equilateral triangle are equal as well, and are thus each 6 0. Test oracle performs an important role in software testing.
The lengths of the sides of the triangle should be less than or equal to. Usually, we have seen the equilateral triangle and rightangle triangle, we will see how to create these 2 triangles in this tutorial. A software is given, which receives three inputs numbers that define the size of a triangle s sides. To understand causeeffect graphing properly, let us consider an example. Therefore, each of these angles have to measure 60 degrees. Now you have to add three more equilateral triangles of the same size as the original. I 2 equilateral triangle i 1 isoceles triangle i 0 not a triangle. If an architect knows that equilateral triangles have three sides that are congruent, then they also know that each side of their equilateral triangular structure might also be congruent.
Tutorial6 to generate equivalence class test casesfor. Python program to creating an equilateral triangle pyramid. If the length of each equilateral triangle side is 5 inches, and there are 40 triangles in total, what is the total perimeter of the rug. Sum of angles of triangle is 180 third side of triangle is greater than differce of other two sides and less than sum of other two sides.
I was going through this testing triangles post from elisabeth hendrickson. Logic to check triangle validity if sides are given in c program. Python program to creating an equilateral triangle pyramid pattern a python program to display the stars in an equilateral triangular form using a single for loop. The program prints a message that states whether the triangle is scalene, isosceles, or equilateral. Maximum area of rectangle inscribed in an equilateral triangle. Jan 06, 2014 software testing worst test cases are 125 and are given below. To place at a given point as an extremity a straight line equal to a given straight line. Sum of all the angles inside a triangle must be 180 degrees. Software testing california state university, fresno.
The purpose of this study is to apply a genetic algorithm in software testing and comparing the results with manual testing, automated. Equilateral triangle grid cylindrical shell parametric design. A building will not be balanced if the sides and angles arent congruent or properly measured. I need some help proving this, ive seen it proven in the other direction prove the formula if it is an equilateral but cant figure out how to prove it this way around. The side of the equilateral triangle that represents the height of the triangle will have a length of because it will be opposite the 60 o angle. The three input variables each describe the lengths of each side of a triangle. Introduction to software testing, edition 2 ch 6 input domains. Below image shows an equilateral triangle with circumcircle. Conformance to explicitly stated functional and performance requirements, explicitly documented development standards, and implicit characteristics that are expected of all professionally developed software pressman, software engineering, 1997. The focus in this research is to perform class level test by. The formula used to calculate the area of circumscribed circle is. Just put the number without any decimal places if its an integer.
Programs to evaluate software testing tools and techniques. How to find the area of an equilateral triangle high school. In the face of poorly defined requirements, though, intuitive testing may be the only approach were left with. Given an integer a, which denotes the side of an equilateral triangle, the task is to find the maximum area of the rectangle that can be inscribed in the triangle. Input from keyboard, simple text output to display. The effectiveness of white box testing is usually measured in terms bf test or code coverage metrics, that is, the fraction of code exercised by test cases. Python program to creating an equilateral triangle. Software testing is an important component of the software. Sdlc cloud computing software testing git ethical hacking cyber security. Given two unequal straight lines, to cut off from the greater a straight line equal to the less. Various types of testing, which occur as part of white box testing are basis path testing, control structure testing, and mutation testing. The main lesson from the triangle testing experiments is that intuitive testing usually is not enough. The triangle test testkeis testkeis software testing. Based on research conducted, genetic algorithm has been widely implemented in software testing, such as test data generator.
Even though equilateral triangle is also isosceles, only print equilateral. Software testing lecture 6 input domain modelling justin pearson 2019 7. Analyzing the triangle problem continued suggested answer a minimal test for the functionality specified in the exercise, some people may argue that a total of four test cases like the following are sufficient to test adequately. Scalene, isosceles, equilateral, invalid public static triangle triang int side, int side2, int side3 side1, side2, and side3 represent the. The triangle test is considered as a classic exercise for devising test cases. Software testing and validation, page 4 for our purposes, software quality is defined as. C program to check whether triangle is valid or not if.
How many test cases can you build for testing this triangle. Css triangle generator how does triangle generator work in css. Equilateral triangles using toothpicks interviewbit. Software testing and quality assurance assignment 3. One hundred and eighty divided by three is equal to sixty. Software testing and maintenance 1 predicate testing introduction basic concepts predicate coverage programbased predicate testing summary software testing and maintenance 2 motivation predicates are expressions that can be evaluated to a boolean value, i. Jul 24, 2008 the triangle test is considered as a classic exercise for devising test cases. Providing instructional and assessment tasks, lesson plans, and other resources for teachers, assessment writers, and curriculum developers since 2011. If the three angles measure 60 then it is an equilateral triangle. If the three side lengths are equal, the structure of the triangle is determined a consequence of sss congruence. Pythagorus theorem area of equilateral triangle v3 4.
Do you have a test case for an equilateral triangle. Black box testing free download as powerpoint presentation. This is meant as a joke, because this problem has been thoroughly worked and reworked over the years. This set of reference materials includes a diverse suite of program modules that can be the subject of a testing technique, testing support tools and examples of using pest. Nevertheless, this problem still retains its educational value. Test cases are derived from the programs logical structure.
Accept three integers which are supposed to be the three sides of triangle and determine if the three values represent an equilateral triangle, isosceles. The first rule is that all three sides of the triangle are congruent which just means they are equal. If you are given altitude h and you want to calculate side a, then you need to use formula which connects h and a example 2. Write a c program to input sides of a triangle and check triangle is equilateral, scalene or isosceles using if else. Input of decimals or characters causes unpredictable results. May 16, 2015 software testing and quality assurance assignment 3 1. If all three sides of a triangle are congruent the same length, it is called an equilateral triangle. Software testing can someone help me figure out th. Specification based testing where the system is considered a black box or a structure based testing where the system is viewed as a white box. Software testing and only parts were covered at the lightest imaginable level is a complex art but you need to be able to wear two hats that of the developer, and that of the tester and this is extremely hard these ideas may give you some more disciplined way to think about your testing process, informal though it will be. Youll notice that along with this triangle s sides, its three angles are also all equal. Equilateral triangle, isosceles triangle, scalene or not a triangle. The angles used in geometry also come into play in architecture. If you are given area a and you want to calculate perimeter p then you need to make two steps to get the solution.
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